{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948385,-0.317121,0.000000,0.000000,0.116347,-0.347950,0.930266,0.000000,-0.294738,0.881448,0.369023,0.000000,-1880738.303122,5624563.052157,2338990.072019,1],    "boundingVolume": {    "region": [1.893436,0.377918,1.893540,0.377997,0.000000,56.137203]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/13_17839.b3dm"}}}